Asymmetries during the maximum phase of solar cycle 22 |
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Authors: | Anita Joshi |
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Institution: | (1) Uttar Pradesh State Observatory, 263 129 Naini Tal, India |
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Abstract: | This paper presents the results of studies of the asymmetries (N-S and E-W) for different manifestations of solar activity events (sunspot groups, H flares and active prominences/filaments) during the maximum-phase (1989–1991) of solar cycle 22. During the period considered, the results obtained show the existence of a real N-S asymmetry, whereas the E-W asymmetry may exist only for H flares. There is no definite relationship between the asymmetries and the occurrence of events; however, around low activity sometimes we find enhanced asymmetry, and low asymmetry around high activity. Our study suggests a good agreement with similar studies made by others. |
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